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.\" Copyright (c) 2014 Joyent, Inc.
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.Dd "Dec 21, 2014"
.Dt GET_NPROCS 3C
.Os
.Sh NAME
.Nm get_nprocs ,
.Nm get_nprocs_conf
.Nd get number of processors
.Sh SYNOPSIS
.In unistd.h
.Ft int
.Fo get_nprocs
.Fa void
.Fc
.Ft int
.Fo get_nprocs_conf
.Fa void
.Fc
.Sh DESCRIPTION
The
.Fn get_nprocs
and
.Fn get_nprocs_conf
functions are provided for compatibility with other systems and are
equivalent to calling
.Fn sysconf _SC_NPROCESSORS_ONLN
and
.Fn sysconf _SC_NPROCESSORS_CONF
respectively.
.Sh RETURN VALUES
The
.Fn get_nprocs
function returns the number of processors that are currently online.
The
.Fn get_nprocs_conf
function returns the number of processors that the operating system has
configured.
.Sh INTERFACE STABILITY
.Sy Committed .
.Sh MT-LEVEL
.Sy MT-Safe ,
.Sy Async-Signal-Safe
.Sh SEE ALSO
.Xr processor_info 2 ,
.Xr sysconf 3C ,
.Xr attributes 7 ,
.Xr standards 7 ,
.Xr psrinfo 8